/* USER CSS from conversation (kept as-is) */
:root{
  --accent: #9d1b31;
  --accent-strong: #7f0f25;
  --text: #e9edf1;
  --muted: #9aa2ad;
  --bg: #0f1115;
  --panel: rgba(255,255,255,.06);
  --stroke: rgba(255,255,255,.12);
  --shadow: 0 10px 40px rgba(0,0,0,.45);
}
body.theme-light{
  --text: #121418;
  --muted: #5c6470;
  --bg: #f6f7f9;
  --panel: rgba(0,0,0,.05);
  --stroke: rgba(0,0,0,.1);
  --shadow: 0 10px 30px rgba(0,0,0,.12);
}
*{ box-sizing: border-box }
html,body{ height:100% }
body{
  margin:0;
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.4;
}
.background{ position:fixed; inset:0; z-index:-2; }
.bg-noise{
  position:absolute; inset:0;
  background:
    radial-gradient(1200px 600px at 60% -10%, rgba(255,255,255,.06), transparent 60%),
    radial-gradient(800px 400px at 20% 120%, rgba(157,27,49,.10), transparent 55%),
    repeating-linear-gradient(135deg, rgba(255,255,255,.03) 0 2px, transparent 2px 6px);
  filter: contrast(110%) saturate(105%);
}
.vignette{ position:absolute; inset:0; box-shadow: inset 0 0 220px rgba(0,0,0,.6) }
.container{ width:min(1180px, 92%); margin-inline:auto }
.header{ position:relative; }
.header-row{
  display:grid;
  grid-template-columns: 1fr auto 1fr;
  align-items:center;
  gap:16px;
  padding:18px 0;
  border-bottom:1px solid var(--stroke);
}
.brand{ display:flex; gap:12px; align-items:center; text-decoration:none; color:var(--text) }
.brand-mark{
  width:46px; height:46px; border-radius:12px;
  background:
    conic-gradient(from 220deg at 60% 40%, rgba(255,255,255,.15), transparent 35%),
    linear-gradient(135deg, var(--panel), rgba(255,255,255,.04));
  border:1px solid var(--stroke);
  box-shadow: var(--shadow);
}
.brand-text{ display:flex; flex-direction:column; line-height:1 }
.brand-ikg{ font-weight:800; font-size:20px; letter-spacing:.5px }
.brand-tech{ font-weight:800; font-size:20px; color:var(--accent); margin-left:4px }
.tagline{ font-size:11px; color:var(--muted); margin-top:2px }
.nav{ position:relative; display:flex; gap:28px; justify-content:center; align-items:center; }
.nav-link{ position:relative; text-decoration:none; color:var(--muted); font-weight:500; padding:8px 2px; }
.nav-link.active, .nav-link:hover{ color:var(--text) }
.nav-underline{ position:absolute; bottom:-10px; left:0; width:100%; height:3px;
  background: linear-gradient(90deg, transparent 20%, var(--accent) 20% 80%, transparent 80%);
  border-radius:3px; opacity:.9; }
.controls{ display:flex; justify-content:flex-end; }
.mode-toggle{ display:flex; align-items:center; gap:10px; background:transparent; border:none; color:var(--muted); cursor:pointer; font-size:18px; }
.mode-toggle i{ font-size:20px }
.switch{ width:44px; height:24px; border-radius:999px; background: var(--panel); border:1px solid var(--stroke); position:relative; }
.knob{ position:absolute; top:2px; left:2px; width:20px; height:20px; border-radius:50%;
  background:#fff; transition: transform .25s ease; }
body.theme-light .mode-toggle i{ color:#f39c12 }
body.theme-dark  .mode-toggle i{ color:#cdd6f4 }
body.theme-light .knob{ transform: translateX(20px); }
.breadcrumbs{ position:absolute; right:4%; top:6px; font-size:12px; color:var(--muted); display:flex; gap:8px; align-items:center; }
.breadcrumbs .sep{ opacity:.6 }
.hero{ position:relative; }
.hero-inner{ text-align:center; padding: clamp(60px, 10vw, 120px) 0 110px; }
.hero-title{ margin:0 0 8px; font-size: clamp(40px, 7vw, 72px); font-weight: 800; letter-spacing: .5px; }
.hero-title .heavy{ color:var(--text) }
.hero-title .accent{ color:var(--accent) }
.hero-sub{ color: var(--muted); font-size: clamp(14px, 2.4vw, 18px); margin-bottom: 28px; }
.btn{ --ring: 0 0 0 2px rgba(157,27,49,.35); display:inline-flex; align-items:center; gap:10px;
  border-radius:999px; padding:12px 18px; text-decoration:none; font-weight:600; letter-spacing:.2px; transition: all .2s ease; box-shadow: 0 1px 0 var(--stroke); }
.btn i{ font-size:20px }
.btn-outline{ color:var(--text); background: rgba(0,0,0,.15); border:1px solid var(--accent); }
.btn-outline:hover{ transform: translateY(-1px); box-shadow: var(--ring), var(--shadow);
  background: linear-gradient(180deg, rgba(157,27,49,.14), rgba(0,0,0,.12)); }
.cta-row{ display:flex; justify-content:center; gap:14px; margin-top:6px }
.glass{ position:absolute; bottom:22px; background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border:1px solid var(--stroke); backdrop-filter: blur(6px); border-radius:16px; padding:14px 18px; box-shadow: var(--shadow); }
.note{ left:4%; color:var(--muted); font-size:14px }
.founder{ right:4%; text-decoration:none; position:absolute; bottom:22px; }
@media (max-width: 880px){
  .header-row{ grid-template-columns: 1fr auto; }
  .nav{ display:none }
  .breadcrumbs{ display:none }
  .founder{ position:static; display:inline-flex; margin:18px auto 30px; }
  .note{ position:static; display:block; text-align:center; margin:16px auto 0; width:min(680px, 92%); }
  .hero-inner{ padding-bottom:40px }
}
/* Sections below */
.study-plans { padding: 40px 20px; }
.card { background: #101522; border-radius: 16px; padding: 20px; border: 1px solid #2a2f3c; }
.card h2 { font-size: 22px; margin-bottom: 20px; color: #fff; }
.plans-grid { display: grid; grid-template-columns: repeat(3,1fr); gap:20px; }
.plan { background:#1a1f2e; border-radius:14px; padding:20px; text-align:center; border:1px solid #2c3242; position:relative; }
.plan h3 { font-size:18px; margin-bottom:10px; color:#fff; }
.plan .price { font-size:32px; font-weight:700; margin-bottom:15px; color:#fff; }
.plan .price span { font-size:14px; color:#bbb; }
.plan ul { text-align:left; padding-left:20px; margin-bottom:20px; color:#ddd; }
.plan ul li { margin:6px 0; }
.btn { display:inline-block; background: linear-gradient(90deg,#8B0000,#B22222); color:#fff; padding:10px 16px; border-radius:10px; text-decoration:none; font-weight:600; transition: background .3s; }
.btn:hover{ background: linear-gradient(90deg,#a80000,#cc2a2a); }
.popular { border:2px solid #B22222; transform:scale(1.05); z-index:1; }
.badge { position:absolute; top:15px; right:-40px; transform:rotate(35deg); background:linear-gradient(90deg,#8B0000,#B22222); color:#fff; font-weight:700; padding:5px 50px; font-size:12px; }
.section { padding:60px 20px; text-align:center; max-width:1000px; margin:auto; }
.section h2 { font-size:2rem; margin-bottom:15px; color:#333; }
.section p { font-size:1rem; margin-bottom:30px; color:#555; }
.ikg-container { max-width:1120px; margin:0 auto; padding:24px; }
.ikg-card { background:radial-gradient(120% 120% at -10% -10%, rgba(255,255,255,.06), transparent), #101a2e; border:1px solid rgba(255,255,255,.12); border-radius:20px; padding:24px; }
.ikg-row { display:flex; gap:12px; flex-wrap:wrap; align-items:center; }
.ikg-btn { display:inline-flex; align-items:center; gap:8px; background:linear-gradient(90deg,#b22222,#800000); color:#fff; padding:12px 16px; border-radius:12px; font-weight:700; border:0; cursor:pointer; transition:.3s; }
.ikg-btn:hover { background:linear-gradient(90deg,#800000,#b22222); box-shadow:0 4px 12px rgba(178,34,34,.4); }
.ikg-tabs { display:flex; gap:8px; margin-bottom:16px; flex-wrap:wrap; }
.ikg-tab { padding:8px 16px; border-radius:999px; border:1px solid rgba(255,255,255,.12); cursor:pointer; transition:.3s; }
.ikg-tab.active { background:linear-gradient(90deg,#b22222,#800000); color:#fff; border:0; }
.ikg-tab:hover:not(.active) { border-color:#b22222; color:#b22222; background:rgba(178,34,34,.05); }
.ikg-bundle-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:16px; margin-top:12px; }
.ikg-portfolio-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:16px; margin-top:12px; }
.ikg-stack { display:flex; flex-wrap:wrap; gap:10px; margin-top:8px; }
.ikg-chip { display:inline-flex; align-items:center; gap:6px; border:1px solid rgba(255,255,255,.12);
  padding:6px 10px; border-radius:999px; background:rgba(255,255,255,.06); color:#9fb2d0; font-size:12px; }
.ikg-hover-lift { transition:transform .2s ease, box-shadow .2s ease; }
.ikg-hover-lift:hover { transform:translateY(-4px); box-shadow:0 8px 20px rgba(0,0,0,.3); }
.ikg-muted { color:#9fb2d0; }
.ikg-accordion { border-top:1px dashed rgba(255,255,255,.12); margin-top:16px; }
.ikg-acc-item { border-bottom:1px dashed rgba(255,255,255,.12); }
.ikg-acc-btn { width:100%; text-align:left; background:none; border:0; color:inherit; padding:14px 0; cursor:pointer;
  display:flex; justify-content:space-between; align-items:center; font-weight:500; }
.ikg-acc-panel { display:none; padding:0 0 14px 0; color:#9fb2d0; line-height:1.5; }
.ikg-input { flex:1; display:flex; gap:8px; border:1px solid rgba(255,255,255,.12); background:rgba(255,255,255,.06);
  border-radius:12px; padding:8px 10px; }
.ikg-input input { flex:1; background:transparent; border:0; color:#e6eefb; outline:none; }
.ikg-footer { margin:40px 0 60px; border-top:1px solid rgba(255,255,255,.12); padding-top:20px; color:#9fb2d0; font-size:14px; }
@media (max-width:900px){ .ikg-bundle-grid, .ikg-portfolio-grid { grid-template-columns:1fr; } }
.logo-tech{ width:100px; }